/ bike lights
What will you be using them for? General commuting in town, unlit country lanes, night time offroad??
I think that your best attention will be spent looking for lights between 5 and 80 watts but also possibly 300 watts.
I use some ebay Chinese lights on my commute (25 miles of which roughly 20 is unlit country lanes). XML t-6 LEDs claimed 1200 lumens but prob less in reality. C£20 each, run time of about 3hours so extra batteries a good idea. Awesomely bright.
Look on bikeradar for comprehensive review debate of the options.
I suggest four candles.
Buying Chinese imports (some UK re-sellers) on Ebay can be a bit hit and miss. I've been lucky, but a mate bought one and the battery was useless (also wasn't UK charger).
I've also bought of these guys twice and they have been good:
(I have two lights on bars and one on lid for off-road night righting in Peak).
The Chinese import I got (UK reseller with UK plug) was this:
Another mate bought these from same seller and they seemed OK:
If you want to spend a stupid amount of cash I can highly recommend an Exposure Strada connected to a Red Eye on the rear. Charge last for ages. Bright enough to ride down unlit roads at speed. Handle bar mount is rock solid.
After trawling bikeradar's "which lights?" threads for about a year, I got these:-
Got 2 1200 Lumen fronts, helmet thing so one goes on the lid for off-roading, plus the 600 Lm rear (recommended - a solid red beam taillight is much better on dark roads with dangerous traffic than a little winky flashing LED), and two splitter 'Y' cables, so I could run all three from the same battery pack (usually don't - it was meant for two only) - all for little over 100squid, and I'm the brightest non-motorised thing on the road.
they are the mutt's for my likes, and tough too - couple of weeks ago I cycled into a canal in the dark,. Clipped into pedals, proper submerged, flaling about underwater. Ineresting light effects with total internal reflection on the underside of the canal's surface. Got everything out, and the lights still work brilliantly.
iPhone's dead though.
The lights can't be that good if you cycled into a canal!
I find that completely unlit roads are easier than badly lit ones or trying to spot pot holes in the face of on-coming traffic. I have two Lezyne lights - one MegaDrive and one PowerDrive which between them do a reasonable beam in front and a fill in between that and my front wheel. They manage at least 2 hours 15 minutes full beam at 0 degrees C, and longer if it's warmer. Good enough for 32 mph. The megadrive on its own is good for about 26mph, above which it just shows you the object you're about to hit.
The MegaDrive, although the weaker light, does burn for longer. USB rechargeable. You can get spare batteries for the Powerdrive.
Maybe this, too: http://www.evanscycles.com/pages/lighting-guide-2013
Wasn't really the light's fault. Other factors involved ...
... drink may have been taken ...
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